Spring-actuated motor.



A. GZARNIKOW. SPRING AOTUATED MOTOR.

APPLICATION FILED MAY 31, 1911.

- Patented May 19, 1914,

witnesses.-

Jnveni'or:

COLUMBIA PLANOGRAPN IO-,WASNINOTON. D. c

UNITED STATES PATENT OFFICE.

ALFRED CZARNIKOW, OF BERLIN, GERMANY, ASEiIGNOR TO ARTHUR CZARNIKOW, OF BERLIN, GERMANY.

SPRING-ACTUATED MOTOR.

To all whom it may concern Be it known that I, ALFRED CzAnNlxow, a subject of the German Emperor, and residing at Berlin, Germany, have invented certain new and useful Improvements in Spring-Actuated Motors, of which the following is a specification.

The subject-matter of my invention is an improved spring-actuated motor or clockwork mechanism particularly for talkingmachines.

The improvement consists in the particular manner in which the spring-barrel containing the spring can be loosened and refastened, z. e. the improvement consists in the form and arrangement of all parts necessary for this purpose.

Detachable spring-barrels are alread known but the fastening means employe therefor are different from those I employ. By supporting the removable spring-barrel externally, I am able to obtain a more rigid construction and greater economy in space within the barrel than when the barrel rotates on a central pin as heretofore. Moreover I employ the spring-connected spindle in the barrel as the driving agent, and by coupling this in alinement with the driven axle of the talking-machine, I reduce friction to a minimum.

The subject-matter of my invention is represented by way of example in elevation, partly in sectlon, in the accompanying draw I designates the closed casing containing the gearing and the governor, 2 the spindle of the plate of the casing, 3 the windingup axle for the spring-actuated motor, 1 the gear Wheel projecting through a slot in the bottom 5 of the casing and directly meshing with the bevel gear 6 of the spring-barrel 7. 7

Copies of this patent may be obtained for Specification of Letters Patent.

Application filed May 31, 1911.

Patented May 19, 1914.

Serial No. 630,347.

The suitably projecting hub 8 of the spring-barrel 7 enters into a guide box 9 of the casing 1, while the main axle 10 of the mechanism enters into the end of the correspondingly hollowed axle 11, carries pins 12 engaging in slots in this axle, and is consequently rotatably coupled with this axle. A cross-bar 15 is attached by means of screws 14 on supports 13 fixed to the casing, and the box 16 on this cross-bar surrounds and guides the hub 17 of the springbarrel and thereby guarantees the centric position of the spring-barrel relative to the axle 10.

It is evident that by unscrewing the crossbar 15 and removing the same the springbarrel can be very simply exchanged.

I claim In a spring-actuated motor of the character described, the combination of a casing having two pillars, a removable cross-bar screwed to the ends of the pillars, a drivenaxlc journaled in the casing and having an end projecting therefrom between the pillars, atransverse pin fast in said end, a manually operated spring-barrel coaxial with said axle and having stub-ends journaled in the cross-bar and in the casing, and a spring-driven spindle journaled concentrically in the barrel, and having at one end a pivot supported by said cross-bar and at the other end a bore and a slot respectively engaging over said end of the driven-axle and over said pin.

In testimony whereof, I affix my signature in the presence of two witnesses.

ALFRED GZARNIKOW.

Witnesses I'IENRY HAsrnn, WOLDEMAR I'IAUPT.

five cents each, by addressing the "Commissioner of latents, Washington, D. O. 

